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按国家法规标准要求保持健全质量管理体系。
Manage a sound quality system according to national laws and regulations?
youdao
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按做一名普通老师的标准来要求我们自己吧！
According to a regular teacher standard to ask ourselves!
youdao
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按做一名普通老师的标准来要求我们自己吧！
According to a regular teacher standard to ask ourselves!
youdao